1
as in insanity
lack of good sense or judgment
who had the senselessness to mix these dangerous chemicals together?
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in stupidity
language, behavior, or ideas that are absurd and contrary to good sense
babbled some senselessness about being eaten by horses
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in thickness
the quality or state of lacking intelligence or quickness of mind
the senselessness of his decision to drive after drinking so much
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of senselessness
In 2018, Brennan’s sister spoke to WMUR about the senselessness of the murder.
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Kc Baker, PEOPLE, 25 Oct. 2025
This just illistrates a complete senselessness.
—Jade Jackson, IndyStar, 20 Oct. 2025
Casaubon’s quest stands as both an indictment of overreach and a warning about the senselessness of such sweeping comparisons.
—Manvir Singh, New Yorker, 13 Oct. 2025
Recent Examples of Synonyms for senselessness
Noun
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She was found not guilty by reason of insanity in 2006 and was placed in a maximum-security psychiatric center in Texas, where she's resided ever since.—
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In addition, only 26% of defendants raising the insanity defense were found not guilty by reason of insanity.—
Noun
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So please excuse my ignorance and stupidity here, but.—
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That’s how stupidity often is—causing problems, but also presenting opportunities.—
Noun
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Their midweight thickness offers enough cushion for miles of walking through the streets of New York City, without causing sweat.—
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The thickness of this layer causes light interference effects, giving the fabric a vivid purple appearance similar to the colors seen in soap bubbles.—
Noun
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But there was some method to the madness here, as UConn, which didn’t take a free throw in the first half, took 18 in the second half and OT.—
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Ditlevsen writes beautifully, and her sly and specific humor always manages to both undercut and deepen the madness and love in all of her books.—
Noun
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Crucially, the eggs were fittingly fluffy, none of that rubbery nonsense that plague lesser burrito slingers.—
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All’s Fair is girlboss nonsense.—
Noun
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Behind the classy presentation is a working-class spirit, one that honors the simplicity of showing up, being yourself and doing your job.—
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The rover’s two-wheel design reflects UEL’s emphasis on surface mobility and system simplicity.—
Noun
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The show combines the world-building vibes of BoJack Horseman with the silliness of Bob’s Burgers, and tops the whole thing off with the musical stylings of a Crazy Ex-Girlfriend — all wrapped in family-friendly packaging.—
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Then came the commemorative T-shirts and hats and the horde of reporters around Saquon Barkley as the running back reflected on the silliness of this season.—
Noun
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After all, the best homes are born out of slowness rather than speed.—
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But smaller and niche-y vendors have been reluctant to ship the company this year given the retailer’s slowness in paying, leaving it without enough on its floors to regain sales.—
Cite this Entry
“Senselessness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/senselessness. Accessed 13 Jan. 2026.
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